switch to setuptools_scm #1832

Job	Run time
Linters (lintreadme)	2m 17s
CWL conformance (v1.0, docker)	6m 5s
Linters (shellcheck)	32s
CWL conformance (v1.0, singularity)	7m 20s
Linters (pydocstyle)	45s
No leftovers	8m 20s
Tox (3, 8, lint)	34s
CWL conformance (v1.0, podman)	7m 51s
Tox (3, 8, unit)	8m 44s
CWL conformance (v1.1, docker)	8m 20s
Tox (3, 8, bandit)	31s
CWL conformance (v1.1, singularity)	13m 29s
Tox (3, 8, mypy)	10m 25s
CWL conformance (v1.1, podman)	8m 29s
Tox (3, 9, lint)	49s
CWL conformance (v1.2, docker)	13m 44s
Tox (3, 9, unit)	10m 30s
CWL conformance (v1.2, singularity)	13m 52s
Tox (3, 9, bandit)	38s
build_test_container	12m 9s
Test on macos-latest	9m 51s
Tox (3, 9, mypy)	10m 28s
Tox (3, 10, lint)	41s
Tox (3, 10, unit)	11m 3s
cwltool release test	20m 48s
CWL conformance (v1.2, podman)	13m 28s
Tox (3, 10, bandit)	36s
CWL conformance (v1.2, docker, --fast-parser)	11m 49s
Tox (3, 10, mypy)	10m 9s
Tox (3, 11, lint)	31s
Tox (3, 11, unit)	9m 26s
Tox (3, 11, bandit)	29s
Tox (3, 11, mypy)	8m 42s
Tox (3, 12, lint)	51s
Tox (3, 12, unit)	16m 57s
Tox (3, 12, bandit)	54s
Tox (3, 12, mypy)	11m 26s
	4h 33m 33s

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